IBM SY33-0193-00 manual Ssa

SRN

FRU

List

Problem

42500

Fast-Write

Cache

Card

(98%)

Description:

The

Fast-Write

Cache

Card

has failed.

(“Exchanging

the Fast-Write Cache

Action:

Card”

on

page 23)

1. Exchange

the

Cache

Card for

a

new

one

SSA

Adapter

Card

(2%)

(Installation

2.

Switch on

power to

the

using

system

and

User

Guide)

3.

New error codes are produced if the original cache card

contained data that was not moved to a disk drive. Run

diagnostics on

the

adapter and

if

a

SRN

is

produced, do

the actions for that SRN.

42510

None

Description:

Not

enough

DRAM

available

to

run

the

fast-write

cache operation.

Action:

1. Start the using-system service aids.

2.	SelectDisplay		or Change Configuration or			Vital Product
	Data	(VPD) .
3.	SelectDisplay		Vital	Product	Data .
4.	Find	the	VPD	for	the SSA	adapter that is logging the error.

5.Note the DRAM and cache sizes (Device Specifics Z0 and Z1).

6.For fast-write operations, you must have a 32 MB DRAM. Check that you have the correct size of DRAM.

42515

Fast-write

Cache

Card

(90%)

Description:

A

fast-write disk is installed,

but

no

Fast-Write

“Exchanging the

Fast-Write

Cache Card”Cache

Card

has

been

detected.

This

problem

can

be

caused

on

page 23)

because:

SSA

adapter

card

(10%)

(using

system Ÿ

The

cache

card

is

not

installed

correctly.

Installation

and

Users) Guide

Ÿ

The

Fast-Write

feature

is not installed

on

this

machine,

but

a

disk

drive

that is

configured

for

fast-write

operations

has

been added to the subsystem.

Action:

1. If you have not already done so, run diagnostics on the

adapter. If a different SRN is

generated

solve

that

problem

first.

2. Do

the

following

actions

as

appropriate:

Ÿ

If

the

cache card is not installed

correctly, remove

it

from

the

adapter

and

reinstall

it

correctly.

ŸIf the cache card is installed correctly, it might have failed. Exchange for new FRUs, the FRUs that are

shown	in	the	FRU	list	for	this	SRN.
Ÿ If	the	Fast-Write		feature		is	not	installed, and you want
to delete the fast-write function								for one or more disk
drives that			have	been	added		to	this subsystem:

3. Verify with the customer that the fast-write function can be deleted for the disk drives configured for fast-write.

4. Using the	RSM	configurator, select the resource in question
and selectDelete	FW	. See	“Dealing with Fast-Write
Problems” on	page 12		for more details.

6 IBM SerialRAID Adapter Maintenance Information